Here's the definition that's on our security deposit page, which doesn't get into the nitty-gritty: Normal wear and tear is a term that Wisconsin law does not define.
(3)Protein Fat-Free Percentage, Protein Fat-Free Content, PFF Percentage, PFF Content or PFF of a product means the meat protein (indigenous to the raw, unprocessed pork cut) content expressed as a percent of the non-fat portion of the finished product.
As a concerned constituent, I am writing to urge you to support and cosponsor the Pet Safety and Protection Act (PSPA), S. 1834/H.R. 3907. This important legislation would protect family pets by prohibiting the sale of dogs and cats to research institutions by Class B Dealers.